<div class="form-group">
    <label class="col-sm-2 control-label">[title]</label>
    <div class="col-sm-2"  style="display: flex;">
    <input name="[name]" style="border-radius: 6px;" class="form-control classname2" placeholder="添加参与人" /><span style="width: 60%; height: 100%;line-height: 35PX;letter-spacing: 1px; white-space: nowrap;margin-left: 10px;color: #848684;">已选择<b>0</b>人</span>
    </div>
</div>